TELEPHONE_TAP

Published:2009/7/7 22:55:00 Author:May | From:SeekIC

Amplify or record a telephone call with the simple circuit shown. The 8-Ω secondary winding of a min-iature transistor output transformer is connected in series with either of the telephone lines. The 1000-Ω primary winding can feed either a cassette recorder or an audio amplifier.



Reprinted Url Of This Article:
http://www.seekic.com/circuit_diagram/Electrical_Equipment_Circuit/Telephone-Related_Circuit/TELEPHONE_TAP.html

Print this Page | Comments | Reading(3)